Search a number
-
+
1370742732 = 223238076187
BaseRepresentation
bin101000110110011…
…1101111111001100
310112112021221112100
41101230331333030
510301402231412
6344003435100
745653056332
oct12154757714
93475257470
101370742732
11643826337
12323085a90
1318aca6898
14d0097b52
1580515edc
hex51b3dfcc

1370742732 has 18 divisors (see below), whose sum is σ = 3464933108. Its totient is φ = 456914232.

The previous prime is 1370742731. The next prime is 1370742743. The reversal of 1370742732 is 2372470731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 38076187 = 1370742732 / (1 + 3 + 7 + 0 + 7 + 4 + 2 + 7 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (1370742731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19038058 + ... + 19038129.

Almost surely, 21370742732 is an apocalyptic number.

1370742732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1370742732 is an abundant number, since it is smaller than the sum of its proper divisors (2094190376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1370742732 is a wasteful number, since it uses less digits than its factorization.

1370742732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38076197 (or 38076192 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 1370742732 is about 37023.5429422955. The cubic root of 1370742732 is about 1110.8412128255.

The spelling of 1370742732 in words is "one billion, three hundred seventy million, seven hundred forty-two thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 38076187 76152374 114228561 152304748 228457122 342685683 456914244 685371366 1370742732